Walker (97-77 career win-loss record) is the owner of a 3.59 ERA while conceding 9.5 hits per 9 innings. His strikeout to walk ratio is 1.16 and he has faced 6,505 opposing batters so far in his MLB career. In his pro baseball career, Walker has allowed 1,576 hits and he has 626 strikeouts in 1,489 innings pitched. He has conceded 594 earned runs while holding a WHIP of 1.420 and a FIP of 3.5.